package cn.tedu.sp02.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.web.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;

@RestController
@Slf4j
public class ItemController {
    @Autowired
    private ItemService itemService;

    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        List<Item> items = itemService.getItems(orderId);

        //随机阻塞,90%概率执行阻塞代码
        if (Math.random()<0.9){
            //暂停[0,5000)毫秒
            int t = new Random().nextInt(5000);
            System.out.println("暂停:"+t);
            Thread.sleep(t);

        }


        return JsonResult.ok().data(items);
    }

    //@@RequestBody完整接受请求协议体数据
    @PostMapping("/decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        itemService.decreaseNumber(items);
        return JsonResult.ok().msg("减少库存成功");
    }

    @GetMapping("/favicon.ico")
    public void ico(){

    }

}
